Turkish President Recep Tayyip Erdogan and his Russian counterpart Vladimir Putin agreed Wednesday in a phone call that violations of a ceasefire deal agreed for the Syrian city of Aleppo should stop, Turkish presidential sources said.

"In the phone call, they stressed that the ceasefire agreement secured yesterday night should be put into practice (and) the violations of the deal must be stopped," the sources said.

Kremlin spokesman Dmitri Peskov confirmed to RIA Novosti state news agency that the call took place.